EP2835574A4 - Illumination device - Google Patents

Illumination device

Info

Publication number
EP2835574A4
EP2835574A4 EP13772331.8A EP13772331A EP2835574A4 EP 2835574 A4 EP2835574 A4 EP 2835574A4 EP 13772331 A EP13772331 A EP 13772331A EP 2835574 A4 EP2835574 A4 EP 2835574A4
Authority
EP
European Patent Office
Prior art keywords
illumination device
illumination
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP13772331.8A
Other languages
German (de)
French (fr)
Other versions
EP2835574A1 (en
Inventor
Seiji Kinoshita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kuraray Co Ltd
Original Assignee
Kuraray Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kuraray Co Ltd filed Critical Kuraray Co Ltd
Publication of EP2835574A1 publication Critical patent/EP2835574A1/en
Publication of EP2835574A4 publication Critical patent/EP2835574A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • F21K9/60—Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/02—Refractors for light sources of prismatic shape
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0036—2-D arrangement of prisms, protrusions, indentations or roughened surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0055—Reflecting element, sheet or layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2101/00—Point-like light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2105/00—Planar light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0066—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form characterised by the light source being coupled to the light guide
    • G02B6/0068—Arrangements of plural sources, e.g. multi-colour light sources

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Planar Illumination Modules (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
EP13772331.8A 2012-04-05 2013-04-04 Illumination device Withdrawn EP2835574A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012086845 2012-04-05
PCT/JP2013/060296 WO2013151120A1 (en) 2012-04-05 2013-04-04 Illumination device

Publications (2)

Publication Number Publication Date
EP2835574A1 EP2835574A1 (en) 2015-02-11
EP2835574A4 true EP2835574A4 (en) 2016-01-06

Family

ID=49300598

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13772331.8A Withdrawn EP2835574A4 (en) 2012-04-05 2013-04-04 Illumination device

Country Status (7)

Country Link
US (1) US9664838B2 (en)
EP (1) EP2835574A4 (en)
JP (1) JP6075796B2 (en)
KR (2) KR20170005893A (en)
CN (1) CN104334962B (en)
TW (1) TWI605224B (en)
WO (1) WO2013151120A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101863646B1 (en) * 2017-02-06 2018-06-04 김광원 lighting module
FR3084926B1 (en) * 2018-08-09 2021-05-07 Display Light ULTRAPLATE LIGHTING SLAB
US11550204B2 (en) 2019-05-08 2023-01-10 Chicony Electronics Co., Ltd. Camera and light adjustment module
US11112680B2 (en) * 2019-05-08 2021-09-07 Chicony Electronics Co., Ltd. Camera and light adjustment module
US11632848B2 (en) * 2019-06-03 2023-04-18 Pauly Enterprises, LLC Interconnected remote control lighting system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0817209A (en) * 1994-06-30 1996-01-19 Yasuhiro Koike Lighting object area selective lighting device
US20050117370A1 (en) * 2003-10-31 2005-06-02 Yoshinari Kawashima Light guiding plate and backlight apparatus
US20100315833A1 (en) * 2008-01-30 2010-12-16 Digital Optics International Llc Thin illumination system
US20110255304A1 (en) * 2008-10-22 2011-10-20 Kuraray Co., Ltd. Surface light source element and image display including the same

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10160938A (en) 1996-11-29 1998-06-19 Toshiba Lighting & Technol Corp Light guide unit, back light, and lighting device using the same
WO2000011399A1 (en) * 1998-08-24 2000-03-02 Zumtobel Staff Gmbh Light with a light-guiding element
JP2005258011A (en) 2004-03-11 2005-09-22 Canon Inc Illuminator and photographing apparatus
US7883254B2 (en) 2004-08-06 2011-02-08 Kuraray Co., Ltd. Light guide plate, production method therefor, and surface light source device provided with it
JP4541346B2 (en) * 2005-11-30 2010-09-08 昭和電工株式会社 Surface light source device
TWI396015B (en) 2005-11-30 2013-05-11 Showa Denko Kk Light guide member, planar light source device provided with the light guide member, and display apparatus using the planar light source device
CN101321986A (en) 2005-11-30 2008-12-10 昭和电工株式会社 Light guide member, planar light source device provided with the light guide member, and display apparatus using the planar light source device
EP1954982A4 (en) 2005-11-30 2011-11-30 Showa Denko Kk Light guide member, planar light source device provided with the light guide member, and display apparatus using the planar light source device
KR100793536B1 (en) * 2006-07-04 2008-01-14 삼성에스디아이 주식회사 Backlight unit of a liquid crystal display device and method for fabricating a light guided panel of the same
US8721149B2 (en) 2008-01-30 2014-05-13 Qualcomm Mems Technologies, Inc. Illumination device having a tapered light guide
CN101932872B (en) 2008-02-01 2012-06-27 可乐丽股份有限公司 Surface light source element and image display device provided with the surface light source element

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0817209A (en) * 1994-06-30 1996-01-19 Yasuhiro Koike Lighting object area selective lighting device
US20050117370A1 (en) * 2003-10-31 2005-06-02 Yoshinari Kawashima Light guiding plate and backlight apparatus
US20100315833A1 (en) * 2008-01-30 2010-12-16 Digital Optics International Llc Thin illumination system
US20110255304A1 (en) * 2008-10-22 2011-10-20 Kuraray Co., Ltd. Surface light source element and image display including the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2013151120A1 *

Also Published As

Publication number Publication date
US9664838B2 (en) 2017-05-30
TW201400765A (en) 2014-01-01
CN104334962B (en) 2016-10-19
TWI605224B (en) 2017-11-11
JPWO2013151120A1 (en) 2015-12-17
KR20170005893A (en) 2017-01-16
WO2013151120A1 (en) 2013-10-10
JP6075796B2 (en) 2017-02-08
EP2835574A1 (en) 2015-02-11
US20150092443A1 (en) 2015-04-02
CN104334962A (en) 2015-02-04
KR101949667B1 (en) 2019-02-19
KR20140148469A (en) 2014-12-31

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